The invention discloses a business commission system. The business commission system comprises a master control module, a data collection module, a business material collection module, a business commission calculation module and a client information statistic module; the data collection module is connected to a master control module for recording a business condition, a business state and a completion progress of a salesman; the business material collection module is connected to the data collection module for collecting business signed contracts, performing automatic classification according to staff and collecting materials related to the business and the materials which are not available at the moment; the business commission calculation module is connected to the data collection module; and the client information statistic system is connected to a master control module. Through above arrangement, the business commission system can calculate salary of the salesman, collects upstream and downstream client resources from the collected business and provides convenience to recording and induction.